While installing Performance Analysis the following error occur:
"Failed to execute operation return code = -81002 on host <hostname> db instance <SID> user <db user> tns port <port> "
Message(User): "An internal issue has occurred."
Performance Analysis can not connect to the database.
Missing read permission on ORACLE_HOME/lib
Check the permission of the Performance Analysis installation user on the ORACLE_HOME.
You need at least read permission ORACLE_HOME/*.
You can solve the permission issue by adding the Performance Analysis installation user to the group dba and/or oinstall.